Home / 13,170.18-19,709.07-10,800.93

Finding the Fourth Proportional to 13,170.18, 19,709.07 and 10,800.93

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Solution

The fourth proportional to 13,170.18, 19,709.07 and 10,800.93 is: 16,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.18 : 19,709.07 = 10,800.93 : x
  2. Step 2: Convert to fraction form
    13,170.18/19,709.07 = 10,800.93/x
  3. Step 3: Cross multiply
    13,170.18x = 19,709.07 × 10,800.93
  4. Step 4: Simplify right side
    13,170.18x = 212,876,285.44
  5. Step 5: Solve for x
    x = 212,876,285.44/13,170.18
  6. Step 6: Final answer
    x = 16,163.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.